. Canadian engineer. rtz, the casting being madewatertight around the quartz tubes by means ofrubber gaskets. The quartz tubes are i % Inches in diameter,4 inches long. One of them is shown, togetherwith its lamp, in Fig. 5. A closer view of thepart of the pasting in which one of the quartztubes is inserted, is shown in Fig. 4. A side viewof the outfit is shown in Fig. i. This photographwas taken during a trial run at Exhibition Camp,Toronto, before the equipment was shipped toNiagara. The Duke of Connaught can be seenbending over the operators shoulder. Fig. 2 isa front view of the sterilizin
. Canadian engineer. rtz, the casting being madewatertight around the quartz tubes by means ofrubber gaskets. The quartz tubes are i % Inches in diameter,4 inches long. One of them is shown, togetherwith its lamp, in Fig. 5. A closer view of thepart of the pasting in which one of the quartztubes is inserted, is shown in Fig. 4. A side viewof the outfit is shown in Fig. i. This photographwas taken during a trial run at Exhibition Camp,Toronto, before the equipment was shipped toNiagara. The Duke of Connaught can be seenbending over the operators shoulder. Fig. 2 isa front view of the sterilizing outfit. Three windows willbe noted in front of the casting, through which theoperator can watch the operation of tlie lamps, the open-ings for the insertion of the quartz tubes being just belowthe windows. The sterilizing outfit consists of the special castingand lamps previously mentioned, and of a generator,engine and pump. The current for the lamps is suppliedby a 2j-kw., 22o-v()lt, direct-current generator. The. Fig. ,1.—View of Portable Pre=Hlter. pump is a 2i<-inch Albany water-sealed rotary pump,with a capacity of three thousand gallons at 250 motor is belt-driven, the pump chain-driven, and bothmotor and pump are driven by a \ertical gas engine,fitted with automatic pump lubrication, enabling it to runbetween 200 and 250 hours without refilling the lubricatingoil chamber. The cylinder is water-cooled with connectionto the discharge of the pump and overflow to waste. The 190 THE CANADIAN ENOINEEE Volume 30. engine has a thiotlle governor, phosphor bronze bearingsand pump-fed carburettor. The governing of the engineis such as to give practically constant speed at all loadswithin its capacity. The engine was supplied by R. A. Lister & Company,Toronto, and was built at their works in England. Thegenerator was supplied by theCanadian Westinghouse Com-pany, Hamilton, and the pumpby the Albany Pump Company,roronlo. The lamps, quartzlubes and special cas
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